final int result = copy(url, "UTF-8", writer);
        assertThat(result, is(urlString.length()));
        assertThat(writer.toString(), is(urlString));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testFileToWriter() throws Exception {
        final int result = copy(inputFile, "UTF-8", writer);
        assertThat(result, is(urlString.length()));

  public void setUp() {
    sink = new TestCharSink();
  }

  public void testOpenBufferedStream() throws IOException {
    Writer writer = sink.openBufferedStream();
    assertTrue(sink.wasStreamOpened());
    assertFalse(sink.wasStreamClosed());

    writer.write(STRING);
    writer.close();

    assertTrue(sink.wasStreamClosed());
    assertEquals(STRING, sink.getString());
  }

		return
	}
	err = en.WriteBool(z.Writer)
	if err != nil {
		err = msgp.WrapError(err, "Writer")
		return
	}
	// write "UID"
	err = en.Append(0xa3, 0x55, 0x49, 0x44)
	if err != nil {
		return
	}
	err = en.WriteString(z.UID)
	if err != nil {
		err = msgp.WrapError(err, "UID")
		return
	}
	// write "Timestamp"
	err = en.Append(0xa9, 0x54, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70)
	if err != nil {

    /**
     * Implementation method for writing an XML node to a writer.
     *
     * @param node the XML node to write
     * @param writer the writer to write to
     * @throws IOException if there is an error writing the XML
     */
    protected abstract void doWrite(XmlNode node, Writer writer) throws IOException;

    /**
     * Implementation method for merging two XML nodes.
     *

                    map.put(ExtractData.RESOURCE_NAME_KEY, filename);
                    final String content = extractor.getText(is, map).getContent();
                    writer.write(content);
                    writer.write('\n');
                } catch (final Exception e) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("Exception in an internal extractor.", e);

  }

  public void testNullWriter() throws Exception {
    // create a null writer
    Writer nullWriter = CharStreams.nullWriter();
    // write to the writer
    nullWriter.write('n');
    String test = "Test string for NullWriter";
    nullWriter.write(test);
    nullWriter.write(test, 2, 10);
    nullWriter.append(null);
    nullWriter.append(null, 0, 4);

  }

  public void testNullWriter() throws Exception {
    // create a null writer
    Writer nullWriter = CharStreams.nullWriter();
    // write to the writer
    nullWriter.write('n');
    String test = "Test string for NullWriter";
    nullWriter.write(test);
    nullWriter.write(test, 2, 10);
    nullWriter.append(null);
    nullWriter.append(null, 0, 4);

// size. If the argument io.Writer is already a [Writer] with large enough
// size, it returns the underlying [Writer].
func NewWriterSize(w io.Writer, size int) *Writer {
	// Is it already a Writer?
	b, ok := w.(*Writer)
	if ok && len(b.buf) >= size {
		return b
	}
	if size <= 0 {
		size = defaultBufSize
	}
	return &Writer{
		buf: make([]byte, size),
		wr:  w,
	}
}

                try {
                    writer.write(s);
                    writer.write('\n');
                } catch (final IOException e) {
                    throw new IORuntimeException(e);
                }
            });
        } catch (final Exception e) {
            logger.warn("Failed to write a thread dump to {}", file, e);
        }
    }

    /**

      throws IOException {
    StringWriter writer = new StringWriter();
    try (OutputStream encodingStream = encoding.encodingStream(writer)) {
      encodingStream.write(decoded.getBytes(UTF_8));
    }
    assertThat(writer.toString()).isEqualTo(encoded);
  }

  @GwtIncompatible // Reader
  private static void testStreamingDecodes(BaseEncoding encoding, String encoded, String decoded)
      throws IOException {